Toro Groundsmaster 4500-D Series - Page 183

ProcedureforEngineCoolingFanCircuitTest(continued)
Note:Ifpressureandfanspeedarebothlowandthenalgearpumpsection
owprovestobecorrect(seeGearPumpFlow(UsingT esterwithPressure
Gauge&FlowMeter)(page5–82)),suspectthatsealsinfancontrolmanifold
areleakingorfaulty(seeFanControlManifoldService(page5–154))or
thatfanmotoriswornordamaged.
8.Whentestingiscomplete,removepressuregaugefrommanifoldttingand
reconnectwireharnesstoproportionalreliefvalvesolenoid.Lowerand
securehood.
Groundsmaster
®
4500-D/4700-D
Page5–81
HydraulicSystem:Testing
19245SLRevA